From Planet Earth II, a baby iguana is chased by snakes

In this stunning and tense sequence from Planet Earth II, a newly-hatched marine iguana must make its way to the sea, but to do so it must run a gauntlet of racer snakes

 This behaviour has never been filmed before! Hatchling marine iguanas are attacked by snakes hunting on mass.

This clip was taken from the Islands episode of Planet Earth II. 

Flying Dragons Of The Jungle – Planet Earth II

 Draco lizards have the amazing ability to be able to fly from tree to tree in search of food, a mate and to avoid predators.
This clip was taken from the third episode of Planet Earth II which focuses on jungles.